The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 2014
Filed:
Mar. 08, 2012
Applicants:
Leif Rackwitz, Rangsdorf, DE;
Imon-kalyan Bagchi, Berlin, DE;
Thomas Doerr, Berlin, DE;
Inventors:
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas-turbine lean combustor includes a combustion chamber () and a fuel nozzle () which includes a pilot fuel injection () and a main fuel injection (). The main fuel injection () includes central recesses () for a controlled inhomogeneous fuel injection, the number of said recesses on the circumference ranging from 8 to 40 and said recesses having an angle of inclination δin circumferential direction of 10°≦δ≦60° and an axial angle of inclination δrelative to the combustor axis () between −10°≦δ≦90°.